Optocouplers / Photocouplers

Optocouplers are a type of isolator that use a low-power optical signal to transmit one signal from one circuit to another independent circuit. Optocouplers are comprised of an infrared LED light source and an integrated photo detector which usually consists of a photodiode and detector circuit. This optical link or coupling provides electrical isolation between the two circuits which makes the trouble shooting and reliability of circuits more straightforward. These devices are often used to provide electrical isolation between digital signals on the same board, but they are also commonly used in medical and industrial instruments, motor control systems, and signal conditioning circuits. Optocouplers have very high input-to-output isolation voltage and low capacitance, which makes them suitable for signal transmission in high speed applications. Additionally, they manage the call back current of the circuit they are connecting, allowing them to protect against overloads.
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EL3012


Triac & SCR Output Optocouplers 250PBV 5000Vrms -55 to 100 Op Temp
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Everlight 184
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AUD 0.534
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MOC8101-X017T


Vishay Semiconductors Transistor Output Optocouplers Phototransistor Out Single CTR > 50-80%
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Vishay 183
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AUD 0.7149
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6N135SVM


Fairchild Semiconductor High Speed Optocouplers
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ON Semiconductor 183
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AUD 1.2455
Multiples of: 1

HCPL-3760-000E


Logic Output Opto-couplers AC/DC to Logic
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Broadcom 182
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AUD 6.28
Multiples of: 1

6N137-000E


High Speed Optocouplers 10 Mb/s 3750Vrms
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Broadcom 181
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AUD 1.24
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HCPL0534R2


High Speed Optocouplers 1Mbit/s HS Dual Channel Tran-15kV/us
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ON Semiconductor 181
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AUD 1.6905
Multiples of: 1

VOT8025AD


Triac & SCR Output Optocouplers Zero 800V Vrdm 100mA DIP6; 5300V Vrms
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Vishay 180
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AUD 1.004
Multiples of: 1

HCPL2630V


Fairchild Semiconductor High Speed Optocouplers 2Ch 10MBits Optocpl Logic Gate Output
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ON Semiconductor 180
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AUD 1.7757
Multiples of: 1

PD1201


IXYS Integrated Circuits Triac & SCR Output Optocouplers 400 BLOCKING VOLT 1.0 AMPS
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IXYS 179
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AUD 11.28
Multiples of: 1

TLP352(D4,F)


Toshiba Logic Output Optocouplers Gate Drive Coupler
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Toshiba 178
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AUD 1.1111
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